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co2 6A team of research conservationists with members from several universities in the U.S. is suggesting in a paper they've had published in Proceedings of the National Academy of Sciences, that urban areas could benefit by investing in cost effective reforestation efforts around urban areas that currently suffer from high ozone levels.

Planting trees, they suggest could help cities bring those levels down.

co2 7Rising CO2 concentrations in the atmosphere will stimulate harmful algal blooms at a global level.

This warning is issued by scientists Jolanda Verspagen and Jef Huisman of the University of Amsterdam, The Netherlands, on the basis of new mathematical models, laboratory experiments and field research. Their results will be published open access in the scientific journal PLOS ONE.

nantubular advanced materialsThis ultralow-density, ultrahigh surface area bulk material with an interconnected nanotubular makeup could be used in catalysis, energy storage and conversion, thermal insulation, shock energy absorption and high energy density physics.

Ultralow-density porous bulk materials have recently attracted renewed interest due to many promising applications.

biowasteWhilst hydrogen cars look set to be the next big thing in an increasingly carbon footprint-aware society, sustainable methods to produce hydrogen are still in their early stages. The HYTIME project is working on a novel production process that will see green hydrogen being produced from grass, straw and food industry residues.

When sustainability and bioeconomy are being discussed, the words 'hydrogen' and 'biomass' are usually not too far away - although rarely mentioned in the same sentence. But what if hydrogen could be produced directly from second generation biomass?

educat progTo reduce fire hazard in the United States, wildland managers often utilize the silvicultural practice of mechanically cutting woody shrubs and suppressed trees (ladder fuels).

These cuttings and other post-logging debris are then burned during periods of low fire danger in order to dispose of the material.

vie2In a recent article on The Conversation, University of Melbourne Professor Emeritus Frank Larkins wrote that Australia's targets to increase renewable energy will make electricity more expensive, thanks to problems with consistency and storage.

But Professor Larkins is several years behind developments in renewable energy and its integration into electricity grids. In fact, we already have technically feasible scenarios to run the Australian electricity industry on 100% renewable energy—without significantly affecting supply.

maryrobinsonSecretary-General Ban Ki-moon has appointed former Irish President Mary Robinson as his Special Envoy for Climate Change to mobilize political will and action ahead of the climate summit that the United Nations chief will convene in September.

Mrs. Robinson, who will continue to serve as President of the Mary Robinson Foundation-Climate Justice, will work closely with Special Envoys John Kufuor and Michael Bloomberg in her new role.

co2 5The politically expedient way to mitigate climate change is essentially no way at all, according to a comprehensive new study by University of Chicago climatologist Raymond Pierrehumbert.

Among the climate pollutants humans put into the atmosphere in significant quantities, the effects of carbon dioxide (CO2) are the longest-lived, with effects on climate that extend thousands of years after emissions cease. But finding the political consensus to act on reducing CO2 emissions has been nearly impossible.

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